Examples with ACIDException org.apache.asterix.common.exceptions.ACIDException used on opensource projects

Example 11 with ACIDException

use of org.apache.asterix.common.exceptions.ACIDException in project asterixdb by apache.

the class AbstractCheckpointManager method getLatest.

@Override
public Checkpoint getLatest() throws ACIDException {
    // Read all checkpointObjects from the existing checkpoint files
    File[] checkpoints = checkpointDir.listFiles(filter);
    if (checkpoints == null || checkpoints.length == 0) {
        return null;
    }
    List<Checkpoint> checkpointObjectList = new ArrayList<>();
    for (File file : checkpoints) {
        try {
            LOGGER.log(Level.WARNING, "Reading snapshot file: " + file.getAbsolutePath());
            String jsonString = new String(Files.readAllBytes(Paths.get(file.getAbsolutePath())));
            checkpointObjectList.add(Checkpoint.fromJson(jsonString));
        } catch (IOException e) {
            throw new ACIDException("Failed to read a checkpoint file", e);
        }
    }
    // Sort checkpointObjects in descending order by timeStamp to find out the most recent one.
    Collections.sort(checkpointObjectList);
    // Return the most recent one (the first one in sorted list)
    return checkpointObjectList.get(0);
}

Example 12 with ACIDException

use of org.apache.asterix.common.exceptions.ACIDException in project asterixdb by apache.

the class LogFlusher method syncAppendToLogTail.

protected synchronized void syncAppendToLogTail(ILogRecord logRecord) throws ACIDException {
    if (logRecord.getLogType() != LogType.FLUSH) {
        ITransactionContext txnCtx = logRecord.getTxnCtx();
        if (txnCtx.getTxnState() == ITransactionManager.ABORTED && logRecord.getLogType() != LogType.ABORT) {
            throw new ACIDException("Aborted job(" + txnCtx.getJobId() + ") tried to write non-abort type log record.");
        }
    }
    /**
         * To eliminate the case where the modulo of the next appendLSN = 0 (the next
         * appendLSN = the first LSN of the next log file), we do not allow a log to be
         * written at the last offset of the current file.
         */
    final int logSize = logRecord.getLogSize();
    // Make sure the log will not exceed the log file size
    if (getLogFileOffset(appendLSN.get()) + logSize >= logFileSize) {
        prepareNextLogFile();
        prepareNextPage(logSize);
    } else if (!appendPage.hasSpace(logSize)) {
        prepareNextPage(logSize);
    }
    appendPage.append(logRecord, appendLSN.get());
    if (logRecord.getLogType() == LogType.FLUSH) {
        logRecord.setLSN(appendLSN.get());
    }
    if (logRecord.isMarker()) {
        logRecord.logAppended(appendLSN.get());
    }
    appendLSN.addAndGet(logSize);
}

Example 13 with ACIDException

use of org.apache.asterix.common.exceptions.ACIDException in project asterixdb by apache.

the class FeedMetadataUtil method getOutputType.

public static ARecordType getOutputType(IFeed feed, Map<String, String> configuration, String key) throws MetadataException {
    ARecordType outputType = null;
    String fqOutputType = configuration.get(key);
    if (fqOutputType == null) {
        return null;
    }
    String[] dataverseAndType = fqOutputType.split("[.]");
    String dataverseName;
    String datatypeName;
    if (dataverseAndType.length == 1) {
        datatypeName = dataverseAndType[0];
        dataverseName = feed.getDataverseName();
    } else if (dataverseAndType.length == 2) {
        dataverseName = dataverseAndType[0];
        datatypeName = dataverseAndType[1];
    } else {
        throw new IllegalArgumentException("Invalid value for the parameter " + key);
    }
    MetadataTransactionContext ctx = null;
    MetadataManager.INSTANCE.acquireReadLatch();
    try {
        ctx = MetadataManager.INSTANCE.beginTransaction();
        Datatype t = MetadataManager.INSTANCE.getDatatype(ctx, dataverseName, datatypeName);
        if (t == null || t.getDatatype().getTypeTag() != ATypeTag.OBJECT) {
            throw new MetadataException(ErrorCode.FEED_METADATA_UTIL_UNEXPECTED_FEED_DATATYPE, datatypeName);
        }
        outputType = (ARecordType) t.getDatatype();
        MetadataManager.INSTANCE.commitTransaction(ctx);
    } catch (ACIDException | RemoteException e) {
        if (ctx != null) {
            try {
                MetadataManager.INSTANCE.abortTransaction(ctx);
            } catch (ACIDException | RemoteException e2) {
                e.addSuppressed(e2);
            }
            throw new MetadataException(ErrorCode.FEED_CREATE_FEED_DATATYPE_ERROR, e, datatypeName);
        }
    } finally {
        MetadataManager.INSTANCE.releaseReadLatch();
    }
    return outputType;
}

Example 14 with ACIDException

use of org.apache.asterix.common.exceptions.ACIDException in project asterixdb by apache.

the class ExternalLibraryUtils method uninstallLibrary.

/**
     * Remove the library from metadata completely.
     * TODO Currently, external libraries only include functions and adapters. we need to extend this to include:
     * 1. external data source
     * 2. data parser
     *
     * @param dataverse
     * @param libraryName
     * @return true if the library was found and removed, false otherwise
     * @throws AsterixException
     * @throws RemoteException
     * @throws ACIDException
     */
protected static boolean uninstallLibrary(String dataverse, String libraryName) throws AsterixException, RemoteException, ACIDException {
    MetadataTransactionContext mdTxnCtx = null;
    try {
        // begin transaction
        mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
        // make sure dataverse exists
        Dataverse dv = MetadataManager.INSTANCE.getDataverse(mdTxnCtx, dataverse);
        if (dv == null) {
            return false;
        }
        // make sure library exists
        Library library = MetadataManager.INSTANCE.getLibrary(mdTxnCtx, dataverse, libraryName);
        if (library == null) {
            return false;
        }
        // get dataverse functions
        List<Function> functions = MetadataManager.INSTANCE.getDataverseFunctions(mdTxnCtx, dataverse);
        for (Function function : functions) {
            // does function belong to library?
            if (function.getName().startsWith(libraryName + "#")) {
                // drop the function
                MetadataManager.INSTANCE.dropFunction(mdTxnCtx, new FunctionSignature(dataverse, function.getName(), function.getArity()));
            }
        }
        // get the dataverse adapters
        List<DatasourceAdapter> adapters = MetadataManager.INSTANCE.getDataverseAdapters(mdTxnCtx, dataverse);
        for (DatasourceAdapter adapter : adapters) {
            // belong to the library?
            if (adapter.getAdapterIdentifier().getName().startsWith(libraryName + "#")) {
                // remove adapter <! we didn't check if there are feeds which use this adapter>
                MetadataManager.INSTANCE.dropAdapter(mdTxnCtx, dataverse, adapter.getAdapterIdentifier().getName());
            }
        }
        // drop the library itself
        MetadataManager.INSTANCE.dropLibrary(mdTxnCtx, dataverse, libraryName);
        MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
    } catch (Exception e) {
        MetadataManager.INSTANCE.abortTransaction(mdTxnCtx);
        throw new AsterixException(e);
    }
    return true;
}

Example 15 with ACIDException

use of org.apache.asterix.common.exceptions.ACIDException in project asterixdb by apache.

the class MetadataNode method addAdapter.

@Override
public void addAdapter(JobId jobId, DatasourceAdapter adapter) throws MetadataException, RemoteException {
    try {
        // Insert into the 'Adapter' dataset.
        DatasourceAdapterTupleTranslator tupleReaderWriter = tupleTranslatorProvider.getAdapterTupleTranslator(true);
        ITupleReference adapterTuple = tupleReaderWriter.getTupleFromMetadataEntity(adapter);
        insertTupleIntoIndex(jobId, MetadataPrimaryIndexes.DATASOURCE_ADAPTER_DATASET, adapterTuple);
    } catch (HyracksDataException e) {
        if (e.getComponent().equals(ErrorCode.HYRACKS) && e.getErrorCode() == ErrorCode.DUPLICATE_KEY) {
            throw new MetadataException("A adapter with this name " + adapter.getAdapterIdentifier().getName() + " already exists in dataverse '" + adapter.getAdapterIdentifier().getNamespace() + "'.", e);
        } else {
            throw new MetadataException(e);
        }
    } catch (ACIDException e) {
        throw new MetadataException(e);
    }
}